﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CommonMethods.Extend
{
   public static class Ext
    {
        /// <summary>
        /// 指示指定的字符串是 null、空还是仅由空白字符组成。
        /// </summary>
        /// <param name="param"></param>
        /// <returns></returns>
        public static bool IsEmpty(this string param)
        {
            return string.IsNullOrWhiteSpace(param);
        }
    }
}
